quantum leap

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quantum leap

  • /ˈkwɒntəm liːp/

Where it comes from

Possibly calque of Danish kvantespring.

noun quantum leaps

  1. The discontinuous change of the state of an electron in an atom or molecule from one energy level to another.
  2. figuratively An abrupt, extreme change. In the end, perhaps the practice of prayer effects a quantum leap of its own kind. It takes us, spontaneously and unexplainably, into the realm of spiritual energy.

    Similar: quantum jump

  3. figuratively, informal, nonstandard A large, massive, significant change. I was at the elections in Namibia. We had problems there, … But I would say that this is a quantum leap forward when you think of the Mengistu government and the horrible repression, the famine, the tyranny that existed under him, and you see this movement toward freedom and democracy over there. Al

verb quantum leaps · quantum leaping · quantum leaped · quantum leapt

  1. slang To manifest, to forward the reality of.

Translations

Every language

noun electron's state of change

Françaissaut quantique
DeutschQuantensprung
Italianosalto quantico
Русскийква́нтовый скачо́к kvántovyj skačók

noun abrupt change

Españolsalto cuántico
DeutschQuantensprung
עבריתקפיצת מדרגה

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MLA

"quantum leap." Wiktionary, via Micwyn, micwyn.com/word/quantum%20leap. Accessed 6 Nov. 2026.

APA

quantum leap. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/quantum%20leap

Chicago

"quantum leap." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/quantum%20leap.

BibTeX
@misc{quantum_leap_2026,
  title = {quantum leap},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/quantum%20leap},
  urldate = {2026-11-06}
}